rtl8xxxu: Implement device specific power_off function
Implment 8723bu specific device power down, and make power_off() a
fileops function.
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
index 50d2c5c..ef60e83 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
@@ -5240,6 +5240,64 @@
return ret;
}
+static int rtl8723bu_active_to_emu(struct rtl8xxxu_priv *priv)
+{
+ u8 val8;
+ u16 val16;
+ u32 val32;
+ int count, ret;
+
+ /* Turn off RF */
+ rtl8xxxu_write8(priv, REG_RF_CTRL, 0);
+
+ /* Enable rising edge triggering interrupt */
+ val16 = rtl8xxxu_read16(priv, REG_GPIO_INTM);
+ val16 &= ~GPIO_INTM_EDGE_TRIG_IRQ;
+ rtl8xxxu_write16(priv, REG_GPIO_INTM, val16);
+
+ /* Release WLON reset 0x04[16]= 1*/
+ val32 = rtl8xxxu_read32(priv, REG_GPIO_INTM);
+ val32 |= APS_FSMCO_WLON_RESET;
+ rtl8xxxu_write32(priv, REG_GPIO_INTM, val32);
+
+ /* 0x0005[1] = 1 turn off MAC by HW state machine*/
+ val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
+ val8 |= BIT(1);
+ rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
+
+ for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
+ val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
+ if ((val8 & BIT(1)) == 0)
+ break;
+ udelay(10);
+ }
+
+ if (!count) {
+ dev_warn(&priv->udev->dev, "%s: Disabling MAC timed out\n",
+ __func__);
+ ret = -EBUSY;
+ goto exit;
+ }
+
+ /* Enable BT control XTAL setting */
+ val8 = rtl8xxxu_read8(priv, REG_AFE_MISC);
+ val8 &= ~AFE_MISC_WL_XTAL_CTRL;
+ rtl8xxxu_write8(priv, REG_AFE_MISC, val8);
+
+ /* 0x0000[5] = 1 analog Ips to digital, 1:isolation */
+ val8 = rtl8xxxu_read8(priv, REG_SYS_ISO_CTRL);
+ val8 |= SYS_ISO_ANALOG_IPS;
+ rtl8xxxu_write8(priv, REG_SYS_ISO_CTRL, val8);
+
+ /* 0x0020[0] = 0 disable LDOA12 MACRO block*/
+ val8 = rtl8xxxu_read8(priv, REG_LDOA15_CTRL);
+ val8 &= ~LDOA15_ENABLE;
+ rtl8xxxu_write8(priv, REG_LDOA15_CTRL, val8);
+
+exit:
+ return ret;
+}
+
static int rtl8xxxu_active_to_lps(struct rtl8xxxu_priv *priv)
{
u8 val8;
@@ -5932,6 +5990,38 @@
rtl8xxxu_write8(priv, REG_RSV_CTRL, 0x0e);
}
+static void rtl8723bu_power_off(struct rtl8xxxu_priv *priv)
+{
+ u8 val8;
+ u16 val16;
+
+ /*
+ * Disable TX report timer
+ */
+ val8 = rtl8xxxu_read8(priv, REG_TX_REPORT_CTRL);
+ val8 &= ~TX_REPORT_CTRL_TIMER_ENABLE;
+ rtl8xxxu_write8(priv, REG_TX_REPORT_CTRL, val8);
+
+ rtl8xxxu_write16(priv, REG_CR, 0x0000);
+
+ rtl8xxxu_active_to_lps(priv);
+
+ /* Reset Firmware if running in RAM */
+ if (rtl8xxxu_read8(priv, REG_MCU_FW_DL) & MCU_FW_RAM_SEL)
+ rtl8xxxu_firmware_self_reset(priv);
+
+ /* Reset MCU */
+ val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
+ val16 &= ~SYS_FUNC_CPU_ENABLE;
+ rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
+
+ /* Reset MCU ready status */
+ rtl8xxxu_write8(priv, REG_MCU_FW_DL, 0x00);
+
+ rtl8723bu_active_to_emu(priv);
+ rtl8xxxu_emu_to_disabled(priv);
+}
+
#ifdef NEED_PS_TDMA
static void rtl8723bu_set_ps_tdma(struct rtl8xxxu_priv *priv,
u8 arg1, u8 arg2, u8 arg3, u8 arg4, u8 arg5)
@@ -6152,7 +6242,7 @@
*/
if (priv->rtlchip == 0x8723bu) {
val8 = rtl8xxxu_read8(priv, REG_TX_REPORT_CTRL);
- val8 |= BIT(1);
+ val8 |= TX_REPORT_CTRL_TIMER_ENABLE;
rtl8xxxu_write8(priv, REG_TX_REPORT_CTRL, val8);
/* Set MAX RPT MACID */
rtl8xxxu_write8(priv, REG_TX_REPORT_CTRL + 1, 0x02);
@@ -6545,7 +6635,7 @@
{
struct rtl8xxxu_priv *priv = hw->priv;
- rtl8xxxu_power_off(priv);
+ priv->fops->power_off(priv);
}
static void rtl8xxxu_cam_write(struct rtl8xxxu_priv *priv,
@@ -8277,6 +8367,7 @@
.parse_efuse = rtl8723au_parse_efuse,
.load_firmware = rtl8723au_load_firmware,
.power_on = rtl8723au_power_on,
+ .power_off = rtl8xxxu_power_off,
.llt_init = rtl8xxxu_init_llt_table,
.phy_iq_calibrate = rtl8723au_phy_iq_calibrate,
.config_channel = rtl8723au_config_channel,
@@ -8300,6 +8391,7 @@
.parse_efuse = rtl8723bu_parse_efuse,
.load_firmware = rtl8723bu_load_firmware,
.power_on = rtl8723bu_power_on,
+ .power_off = rtl8723bu_power_off,
.llt_init = rtl8xxxu_auto_llt_table,
.phy_init_antenna_selection = rtl8723bu_phy_init_antenna_selection,
.phy_iq_calibrate = rtl8723bu_phy_iq_calibrate,
@@ -8329,6 +8421,7 @@
.parse_efuse = rtl8192cu_parse_efuse,
.load_firmware = rtl8192cu_load_firmware,
.power_on = rtl8192cu_power_on,
+ .power_off = rtl8xxxu_power_off,
.llt_init = rtl8xxxu_init_llt_table,
.phy_iq_calibrate = rtl8723au_phy_iq_calibrate,
.config_channel = rtl8723au_config_channel,
@@ -8354,6 +8447,7 @@
.parse_efuse = rtl8192eu_parse_efuse,
.load_firmware = rtl8192eu_load_firmware,
.power_on = rtl8192eu_power_on,
+ .power_off = rtl8xxxu_power_off,
.llt_init = rtl8xxxu_auto_llt_table,
.phy_iq_calibrate = rtl8723bu_phy_iq_calibrate,
.config_channel = rtl8723bu_config_channel,
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
index 9c535e8..bfa9d6c 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
@@ -1257,6 +1257,7 @@
int (*parse_efuse) (struct rtl8xxxu_priv *priv);
int (*load_firmware) (struct rtl8xxxu_priv *priv);
int (*power_on) (struct rtl8xxxu_priv *priv);
+ void (*power_off) (struct rtl8xxxu_priv *priv);
int (*llt_init) (struct rtl8xxxu_priv *priv, u8 last_tx_page);
void (*phy_init_antenna_selection) (struct rtl8xxxu_priv *priv);
void (*phy_iq_calibrate) (struct rtl8xxxu_priv *priv);
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h
index e0b9ea38..a8d5c9f 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h
@@ -512,6 +512,8 @@
#define REG_PKT_LOSE_RPT 0x04e1
#define REG_PTCL_ERR_STATUS 0x04e2
#define REG_TX_REPORT_CTRL 0x04ec
+#define TX_REPORT_CTRL_TIMER_ENABLE BIT(1)
+
#define REG_TX_REPORT_TIME 0x04f0
#define REG_DUMMY 0x04fc